(0 17 15)(1 20 3)(2 9 7)(4 12 5)(6 13 11)(8 19 18)(10 16 14)
ALLOWS (11/8)-SEQUENCE
1: (4 12 18)

(0 17 15)(1 20 3)(2 9 7)(4 8 19 18 5)(6 13 11)(10 16 14)(12)
2: (4 8 19)

(0 17 15)(1 20 3)(2 9 7)(4 18 5)(6 13 11)(8)(10 16 14)(12)(19)
3: (2 9 7)

(0 17 15)(1 20 3)(2)(4 18 5)(6 13 11)(7)(8)(9)(10 16 14)(12)(19)
4: (6 13 11)

(0 17 15)(1 20 3)(2)(4 18 5)(6)(7)(8)(9)(10 16 14)(11)(12)(13)(19)